/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.spark.sql.aliyun.hbase

import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.catalyst.encoders.RowEncoder
import org.apache.spark.sql.execution.QueryExecution
import org.apache.spark.sql.execution.datasources.hbase.HBaseRelation

class HBaseWriter(parameters: Map[String, String]) {
  def write(
      sparkSession: SparkSession,
      queryExecution: QueryExecution,
      sourceOptions: Map[String, String]): Unit = {
    val schema = queryExecution.analyzed.schema
    val relation = HBaseRelation(parameters, Some(schema))(sparkSession.sqlContext)
    val encoder = RowEncoder(schema).resolveAndBind()
    val rdd = queryExecution.toRdd.map(r => encoder.fromRow(r))
    relation.insert(sparkSession.createDataFrame(rdd, schema), false)
  }
}
